Security device



FIG. 1 is a front elevational view of a security device showing my newdesign;

FIG. 2 is a rear elevational view of the security device;

FIG. 3 is a right side elevational view of the security device;

FIG. 4 is a left side elevational view of the security device;

FIG. 5 is a top plan view of the security device;

FIG. 6 is a bottom plan view of the security device; and,

FIG. 7 is a front perspective view of the security device.

CLAIM The ornamental design for a security device, as shown anddescribed.